Home / 10,359.70-15,539.55-7,465.30

Finding the Fourth Proportional to 10,359.70, 15,539.55 and 7,465.30

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Solution

The fourth proportional to 10,359.70, 15,539.55 and 7,465.30 is: 11,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.70 : 15,539.55 = 7,465.30 : x
  2. Step 2: Convert to fraction form
    10,359.70/15,539.55 = 7,465.30/x
  3. Step 3: Cross multiply
    10,359.70x = 15,539.55 × 7,465.30
  4. Step 4: Simplify right side
    10,359.70x = 116,007,402.62
  5. Step 5: Solve for x
    x = 116,007,402.62/10,359.70
  6. Step 6: Final answer
    x = 11,197.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.